JBIDE-12658 SSH keys wizard: deleting a character in the private key, does not delete it for the public key
[JBIDE-18045] disable quickstart page link if there's no href
JBIDE-12851 Server Adapter wizard: link should point to creation wizard in case user don't have app/domain
[JBIDE-12851] corrected error message when there's no application (yet)
[JBIDE-17925] store "Code Anything" urls only if they're valid